參數(shù)資料
型號(hào): XPC823CZT66B2T
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66 MHz, RISC PROCESSOR, PBGA256
封裝: 23 X 23 MM, 1.27 MM PITCH, PLASTIC, BGA-256
文件頁(yè)數(shù): 20/81頁(yè)
文件大?。?/td> 580K
代理商: XPC823CZT66B2T
MOTOROLA
MPC823 ELECTRICAL SPECIFICATIONS
27
Table 3. PCMCIA Timing
NUM
CHARACTERISTIC
25MHZ
40MHZ
50MHZ
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
P44
A(6:31), REG valid to PCMCIA strobe asserted
28
13
13
ns
P45
A(6:31), REG valid to ALE negation
38
18
18
ns
P46
CLKOUT to REG valid
10
19
5
13
5
13
ns
P47
CLKOUT to REG invalid
11
66
ns
P48
CLKOUT to CE1, CE2 asserted
10
19
5
13
5
13
ns
P49
CLKOUT to CE1, CE2 negated
10
19
5
13
5
13
ns
P50
CLKOUT to PCOE, IORD, PCWE, IOWR assert
time
121111
ns
P51
CLKOUT to PCOE, IORD, PCWE, IOWR negate
time
312211211
ns
P52
CLKOUT to ALE assert time
10
19
5
13
5
13
ns
P53
CLKOUT to ALE negate time
19
13
13
ns
P54
PCWE, IOWR negated to D(0:31) invalid
833
ns
P55
WAIT_B valid to CLKOUT rising edge
888
ns
P56
CLKOUT rising edge to WAIT_B invalid
222
ns
NOTES:
1.
PSST = 1. Otherwise, add PSST times cycle time.
2.
PSHT = 0. Otherwise, add PSHT times cycle time.
3.
These synchronous timings dene when the WAIT_B signal is detected in order to freeze (or relieve) the
PCMCIA current cycle. The WAIT_B assertion will be effective only if it is detected two cycles before the PSL
timer expiration.
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